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球磨機介紹

2024-03-07


簡介:

球磨機是物料被破碎之(zhi)后,再(zai)進行的關(guan)鍵設備。

球磨機是工(gong)業生產(chan)中廣泛使(shi)用的高細磨機械之一(yi),其種類有很多(duo),

如,,,超細層(ceng)壓磨(mo)機(ji),手球磨(mo)機(ji),,

球磨機軸瓦,,,,

球磨(mo)機適用(yong)于(yu)粉(fen)磨(mo)各種(zhong)礦(kuang)(kuang)石及其它物(wu)料,被廣(guang)泛用(yong)于(yu)選礦(kuang)(kuang),建材及化工等(deng)行業,可(ke)分(fen)為干式和濕式兩種(zhong)磨(mo)礦(kuang)(kuang)方式。根(gen)據排礦(kuang)(kuang)方式不同,可(ke)分(fen)格子型和溢流型兩種(zhong)。根(gen)據筒(tong)體形狀可(ke)分(fen)為短筒(tong)球磨(mo)機、長筒(tong)球磨(mo)機、管磨(mo)機和圓錐型磨(mo)機四種(zhong)。

工作原理:

球磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)是由水(shui)平(ping)的(de)(de)(de)(de),進(jin)出料(liao)(liao)及磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)頭等(deng)部(bu)分組成(cheng)(cheng)(cheng),筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)為(wei)長的(de)(de)(de)(de)圓(yuan)(yuan)(yuan)筒(tong)(tong)(tong)(tong),筒(tong)(tong)(tong)(tong)內(nei)(nei)(nei)裝(zhuang)有(you)(you)研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti),筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)為(wei)鋼(gang)板(ban)制造,有(you)(you)鋼(gang)制襯(chen)(chen)板(ban)與筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)固定(ding)(ding),研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)一(yi)(yi)(yi)般為(wei)鋼(gang)制圓(yuan)(yuan)(yuan)球,并按不(bu)同直(zhi)徑和一(yi)(yi)(yi)定(ding)(ding)比例裝(zhuang)入(ru)(ru)(ru)筒(tong)(tong)(tong)(tong)中,研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)也(ye)可(ke)用(yong)(yong)鋼(gang)段。根據研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)料(liao)(liao)的(de)(de)(de)(de)粒度(du)加以選擇,物(wu)(wu)(wu)料(liao)(liao)由球磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)進(jin)料(liao)(liao)端空(kong)心(xin)軸(zhou)(zhou)裝(zhuang)入(ru)(ru)(ru)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)內(nei)(nei)(nei),當(dang)(dang)球磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)轉(zhuan)動(dong)(dong)時(shi)(shi)候(hou)(hou),研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)由于慣性(xing)和離心(xin)力(li)(li)作(zuo)(zuo)用(yong)(yong),摩擦(ca)力(li)(li)的(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong),使(shi)它附在(zai)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)襯(chen)(chen)板(ban)上被(bei)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)帶走,當(dang)(dang)被(bei)帶到(dao)(dao)一(yi)(yi)(yi)定(ding)(ding)的(de)(de)(de)(de)高(gao)(gao)度(du)時(shi)(shi)候(hou)(hou),由于其本(ben)身的(de)(de)(de)(de)重力(li)(li)作(zuo)(zuo)用(yong)(yong)而(er)被(bei)拋(pao)落(luo)(luo),下(xia)落(luo)(luo)的(de)(de)(de)(de)研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)像拋(pao)射(she)體(ti)(ti)(ti)(ti)(ti)一(yi)(yi)(yi)樣將(jiang)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)內(nei)(nei)(nei)的(de)(de)(de)(de)物(wu)(wu)(wu)料(liao)(liao)給擊碎(sui)。物(wu)(wu)(wu)料(liao)(liao)由進(jin)料(liao)(liao)裝(zhuang)置經入(ru)(ru)(ru)料(liao)(liao)中空(kong)軸(zhou)(zhou)螺旋均勻地進(jin)入(ru)(ru)(ru)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)第(di)(di)一(yi)(yi)(yi)倉(cang),該倉(cang)內(nei)(nei)(nei)有(you)(you)階梯(ti)襯(chen)(chen)板(ban)或(huo)波紋(wen)襯(chen)(chen)板(ban),內(nei)(nei)(nei)裝(zhuang)各種(zhong)規格鋼(gang)球,筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)轉(zhuan)動(dong)(dong)產生(sheng)離心(xin)力(li)(li)將(jiang)鋼(gang)球帶到(dao)(dao)一(yi)(yi)(yi)定(ding)(ding)高(gao)(gao)度(du)后落(luo)(luo)下(xia),對(dui)(dui)物(wu)(wu)(wu)料(liao)(liao)產生(sheng)重擊和研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong)。物(wu)(wu)(wu)料(liao)(liao)在(zai)第(di)(di)一(yi)(yi)(yi)倉(cang)達到(dao)(dao)粗磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)后,經單層隔倉(cang)板(ban)進(jin)入(ru)(ru)(ru)第(di)(di)二(er)倉(cang),該倉(cang)內(nei)(nei)(nei)鑲有(you)(you)平(ping)襯(chen)(chen)板(ban),內(nei)(nei)(nei)有(you)(you)鋼(gang)球,將(jiang)物(wu)(wu)(wu)料(liao)(liao)進(jin)一(yi)(yi)(yi)步研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)。粉狀物(wu)(wu)(wu)通過(guo)卸料(liao)(liao)箅板(ban)排(pai)出,完成(cheng)(cheng)(cheng)粉磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)業。筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)在(zai)回轉(zhuan)的(de)(de)(de)(de)過(guo)程(cheng)中,研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)也(ye)有(you)(you)滑(hua)落(luo)(luo)現象(xiang),在(zai)滑(hua)落(luo)(luo)過(guo)程(cheng)中給物(wu)(wu)(wu)料(liao)(liao)以研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong),為(wei)了有(you)(you)效的(de)(de)(de)(de)利用(yong)(yong)研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong),對(dui)(dui)物(wu)(wu)(wu)料(liao)(liao)粒度(du)較大(da)的(de)(de)(de)(de)一(yi)(yi)(yi)般二(er)十目磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)細(xi)時(shi)(shi)候(hou)(hou),把磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)用(yong)(yong)隔倉(cang)板(ban)分隔為(wei)二(er)段,即成(cheng)(cheng)(cheng)為(wei)雙倉(cang),物(wu)(wu)(wu)料(liao)(liao)進(jin)入(ru)(ru)(ru)第(di)(di)一(yi)(yi)(yi)倉(cang)時(shi)(shi)候(hou)(hou)被(bei)鋼(gang)球擊碎(sui),物(wu)(wu)(wu)料(liao)(liao)進(jin)入(ru)(ru)(ru)第(di)(di)二(er)倉(cang)時(shi)(shi)候(hou)(hou),鋼(gang)段對(dui)(dui)物(wu)(wu)(wu)料(liao)(liao)進(jin)行研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo),磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)細(xi)合(he)格的(de)(de)(de)(de)物(wu)(wu)(wu)料(liao)(liao)從出料(liao)(liao)端空(kong)心(xin)軸(zhou)(zhou)排(pai)出,對(dui)(dui)進(jin)料(liao)(liao)顆粒小(xiao)的(de)(de)(de)(de)物(wu)(wu)(wu)料(liao)(liao)進(jin)行磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)細(xi)時(shi)(shi)候(hou)(hou),如砂二(er)號礦渣,粗粉煤灰,磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)可(ke)不(bu)設隔板(ban),成(cheng)(cheng)(cheng)為(wei)一(yi)(yi)(yi)個單倉(cang)筒(tong)(tong)(tong)(tong)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo),研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)(ti)也(ye)可(ke)以用(yong)(yong)鋼(gang)段。原(yuan)(yuan)料(liao)(liao)通過(guo)空(kong)心(xin)軸(zhou)(zhou)頸(jing)給入(ru)(ru)(ru)空(kong)心(xin)圓(yuan)(yuan)(yuan)筒(tong)(tong)(tong)(tong)進(jin)行磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)碎(sui),圓(yuan)(yuan)(yuan)筒(tong)(tong)(tong)(tong)內(nei)(nei)(nei)裝(zhuang)有(you)(you)各種(zhong)直(zhi)徑的(de)(de)(de)(de)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)礦介質(zhi)(鋼(gang)球、鋼(gang)棒或(huo)礫石(shi)等(deng))。當(dang)(dang)圓(yuan)(yuan)(yuan)筒(tong)(tong)(tong)(tong)繞水(shui)平(ping)軸(zhou)(zhou)線以一(yi)(yi)(yi)定(ding)(ding)的(de)(de)(de)(de)轉(zhuan)速回轉(zhuan)時(shi)(shi),裝(zhuang)在(zai)筒(tong)(tong)(tong)(tong)內(nei)(nei)(nei)的(de)(de)(de)(de)介質(zhi)和原(yuan)(yuan)料(liao)(liao)在(zai)離心(xin)力(li)(li)和摩擦(ca)力(li)(li)的(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)下(xia),隨著筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)達到(dao)(dao)一(yi)(yi)(yi)定(ding)(ding)的(de)(de)(de)(de)高(gao)(gao)度(du),當(dang)(dang)自身的(de)(de)(de)(de)重力(li)(li)大(da)于離心(xin)力(li)(li)時(shi)(shi),便(bian)脫離筒(tong)(tong)(tong)(tong)體(ti)(ti)(ti)(ti)(ti)內(nei)(nei)(nei)壁拋(pao)射(she)下(xia)落(luo)(luo)或(huo)滾下(xia),由于沖擊力(li)(li)而(er)擊碎(sui)礦石(shi)。同時(shi)(shi)在(zai)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)機(ji)(ji)轉(zhuan)動(dong)(dong)過(guo)程(cheng)中,磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)礦介質(zhi)相互(hu)間的(de)(de)(de)(de)滑(hua)動(dong)(dong)運動(dong)(dong)對(dui)(dui)原(yuan)(yuan)料(liao)(liao)也(ye)產生(sheng)研(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong)。磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)(mo)碎(sui)后的(de)(de)(de)(de)物(wu)(wu)(wu)料(liao)(liao)通過(guo)空(kong)心(xin)軸(zhou)(zhou)頸(jing)排(pai)出。

球(qiu)磨機裝球(qiu):

 

球磨(mo)(mo)機中的(de)主要(yao)(yao)(yao)(yao)作(zuo)(zuo)用(yong)是對物料進(jin)行沖擊破碎(sui),同時(shi)也起(qi)到一(yi)定的(de)研磨(mo)(mo)作(zuo)(zuo)用(yong)。因此(ci),鋼球進(jin)行級配的(de)目的(de),就是要(yao)(yao)(yao)(yao)滿足這(zhe)兩方面的(de)要(yao)(yao)(yao)(yao)求(qiu)。粉碎(sui)效(xiao)果的(de)好壞直接(jie)對粉磨(mo)(mo)效(xiao)率產生影響,并最終影響球磨(mo)(mo)機產量,能否達到粉碎(sui)要(yao)(yao)(yao)(yao)求(qiu)取決于鋼球的(de)級配是否合理(li),主要(yao)(yao)(yao)(yao)包括鋼球大小、球徑(jing)級數、各種規格球所占(zhan)比例等(deng)。

確定這些參數除了要(yao)考(kao)慮(lv)球磨(mo)機規(gui)格(ge)大(da)小(xiao)、球磨(mo)機內部結(jie)構(gou)、產品細度(du)要(yao)求等(deng)因素外(wai),還要(yao)考(kao)慮(lv)入磨(mo)物料的特性(xing)(易(yi)磨(mo)性(xing)、粒度(du)大(da)小(xiao)等(deng))。

要使物料得到有(you)效粉(fen)碎,在(zai)確定(ding)級配時必須遵循這(zhe)樣幾(ji)個原則:

首先,鋼球要有足夠大的沖擊(ji)力(li),使(shi)具備(bei)足夠能(neng)量以擊(ji)碎(sui)顆粒物料,這與鋼球的最(zui)大球徑有直接關系。

其次,鋼球(qiu)對物料要有(you)(you)足(zu)夠多的(de)沖(chong)(chong)擊次數(shu)(shu),這(zhe)與鋼球(qiu)填充率和(he)平均(jun)球(qiu)徑(jing)有(you)(you)關(guan)。當裝填量一定時,在(zai)保證足(zu)夠沖(chong)(chong)擊力的(de)前提(ti)下,盡量減小研磨體直(zhi)徑(jing),增加鋼球(qiu)個數(shu)(shu)來提(ti)高對物料的(de)沖(chong)(chong)擊次數(shu)(shu),以(yi)提(ti)高粉碎效率。

最后,物料在(zai)磨機內有(you)足夠的停留時間,以(yi)保證(zheng)物料被充分粉碎,這就要(yao)求所(suo)配鋼球要(yao)有(you)一定的控制物料流速的能力。

所謂兩級配球(qiu)(qiu)(qiu)(qiu)法,就是使用大(da)小(xiao)兩種不同規(gui)格,并(bing)且(qie)二者直(zhi)徑相差(cha)較(jiao)大(da)的(de)鋼球(qiu)(qiu)(qiu)(qiu)來(lai)進(jin)行級配。其理論依(yi)據(ju)是,大(da)球(qiu)(qiu)(qiu)(qiu)之間的(de)空隙(xi)由小(xiao)球(qiu)(qiu)(qiu)(qiu)來(lai)填(tian)充(chong),以(yi)充(chong)分(fen)提高(gao)鋼球(qiu)(qiu)(qiu)(qiu)的(de)堆積(ji)密(mi)(mi)度。這(zhe)樣,一方面(mian)可提高(gao)磨(mo)(mo)機(ji)的(de)沖(chong)(chong)擊(ji)能(neng)(neng)力(li)和(he)沖(chong)(chong)擊(ji)次數(shu),符合研(yan)磨(mo)(mo)體的(de)功(gong)能(neng)(neng)特點,另一方面(mian),較(jiao)高(gao)的(de)堆積(ji)密(mi)(mi)度可使物(wu)料(liao)能(neng)(neng)夠得(de)到一定的(de)研(yan)磨(mo)(mo)作用。在兩級配球(qiu)(qiu)(qiu)(qiu)中,大(da)球(qiu)(qiu)(qiu)(qiu)的(de)作用主要(yao)是對(dui)物(wu)料(liao)進(jin)行沖(chong)(chong)擊(ji)破碎,小(xiao)球(qiu)(qiu)(qiu)(qiu)的(de)作用一是填(tian)充(chong)大(da)球(qiu)(qiu)(qiu)(qiu)間的(de)空隙(xi),提高(gao)研(yan)磨(mo)(mo)體的(de)堆積(ji)密(mi)(mi)度,以(yi)控制物(wu)料(liao)流速,增加研(yan)磨(mo)(mo)能(neng)(neng)力(li);二是起能(neng)(neng)量傳遞(di)作用,將大(da)球(qiu)(qiu)(qiu)(qiu)的(de)沖(chong)(chong)擊(ji)能(neng)(neng)量傳遞(di)給物(wu)料(liao);三是將空隙(xi)中的(de)粗顆粒物(wu)料(liao)排(pai)擠(ji)出來(lai),置于大(da)球(qiu)(qiu)(qiu)(qiu)的(de)沖(chong)(chong)擊(ji)區內。

機(ji)械結構:

 

球(qiu)磨機由給料(liao)部(bu)、出料(liao)部(bu)、回轉部(bu)、傳動部(bu)(減速機,小傳動齒(chi)(chi)輪,電(dian)機,電(dian)控)等主要部(bu)分(fen)組成。中空軸采(cai)(cai)用鑄鋼件,內襯(chen)可拆換,回轉大齒(chi)(chi)輪采(cai)(cai)用鑄件滾齒(chi)(chi)加工(gong),筒體(ti)內鑲有耐(nai)磨襯(chen)板(ban),具(ju)有良好的耐(nai)磨性。本機運轉平穩,工(gong)作可靠(kao)。

球(qiu)磨(mo)機主機包(bao)括筒(tong)(tong)(tong)體(ti),筒(tong)(tong)(tong)體(ti)內鑲有(you)用耐磨(mo)材(cai)料制成的襯,有(you)承載筒(tong)(tong)(tong)體(ti)并維系其旋(xuan)轉的軸承,還要有(you)驅(qu)動(dong)(dong)(dong)部分,如電動(dong)(dong)(dong)機,和傳動(dong)(dong)(dong)齒(chi)輪,皮帶(dai)輪,三角帶(dai)等。

關(guan)于叫葉片的零件(jian),一(yi)般不是主要部件(jian),在進料端的部件(jian)進料口內(nei)有內(nei)螺旋可稱其內(nei),在出(chu)料端的部件(jian)出(chu)料口內(nei)有內(nei)螺旋也可稱其內(nei)螺旋葉片。

另外在出料(liao)端的輔助設備中如果用,在該設備里會有叫螺旋葉片的零件,但(dan)是嚴格的說,它已經不算球(qiu)磨(mo)機的零件了。

根(gen)據物(wu)料(liao)及排礦(kuang)方式(shi),可選擇和濕式(shi)。節能球(qiu)磨(mo)機,采(cai)用自動調心雙列向心球(qiu)面滾(gun)子軸承,運轉阻力小,節能效果顯(xian)著。筒(tong)體部分(fen),在原有筒(tong)體出料(liao)端增加(jia)了(le)一段圓錐筒(tong)體,既增加(jia)了(le)磨(mo)機的有效容(rong)積,又使筒(tong)內介質分(fen)配更加(jia)合理(li)。本產品(pin)廣泛用于有色金屬(shu)、黑色金屬(shu)、非金屬(shu)選礦(kuang)場及化工、建材(cai)行業作物(wu)料(liao)研磨(mo)使用。

球磨機配件:

球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)配(pei)件有球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)大齒(chi)(chi)輪(lun)、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)小齒(chi)(chi)輪(lun)、、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)齒(chi)(chi)圈(quan)、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)大齒(chi)(chi)圈(quan)、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)鋼(gang)球(qiu)(qiu)(qiu)、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)隔倉板、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)傳動裝(zhuang)置、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)軸承、球(qiu)(qiu)(qiu)磨(mo)(mo)機(ji)端襯等等。

其中球(qiu)磨機大齒輪材質選(xuan)擇:

根據大(da)型(xing)齒輪的工作(zuo)條件(jian)不(bu)同大(da)齒輪常用(yong)如下(xia)材料制造(zao):

(1)中碳結構鋼

(2)中碳合金構鋼

(3)滲碳鋼

(4)氮化鋼

球磨機(ji)大齒(chi)輪(lun)的(de)結構由于使用要(yao)求不同(tong)而具有各種不同(tong)的(de)形狀(zhuang),但從工(gong)藝角度可(ke)將齒(chi)輪(lun)看(kan)成是由齒(chi)圈和(he)輪(lun)體兩部分構成。按照(zhao)齒(chi)圈上輪(lun)齒(chi)的(de)分布形式,可(ke)分為直齒(chi)、斜齒(chi)、人字(zi)齒(chi)等。